GPT-5 Search API is OpenAI's language model with a 272K context window and up to 128K output tokens, starting at $1.25 / 1M input and $10.00 / 1M output. A GPT-5 variant integrated with search capabilities, enabling retrieval-augmented responses grounded in up-to-date information via the Search API.
Specifications
Canonical IDopenai-gpt-5-search-api
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window272K tokens
Max Output128K tokens
Input ModalitiesImagePDF
Output ModalitiesText
Reasoning Effortsminimal

Capabilities

Input2/5
Text·
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
Reasoning·
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling✓
Structured Outputs✓
Native JSON Schema·
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
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OpenAI
gpt-5-search-api
$1.25$10.00$0.125

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-6.1 Sol1.1M$2.00$10.00Available
GPT-6 Sol1.1M$2.00$10.00Available
GPT-6 Luna1.1M$0.100$0.500Available
GPT-6 Astra1.1M$10.00$50.00Available
GPT-5.6 Sol1.1M$4.00$20.00Available
GPT-5.6 Terra1.1M$2.00$12.00Available
GPT-5.6 Luna1.1M$0.200$1.20Available
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini400K$0.750$4.50Available
GPT-5.4 Nano400K$0.200$1.25Deprecating
GPT-5 Search API—272K$1.25$10.00Current

Model IDs

gpt-5-search-api
gpt-5-search-api-2025-10-14
openai-gpt-5-search-api